books.google.com - It is rarely taught in an undergraduate or even graduate curriculum that the only conformal maps in Euclidean space of dimension greater than two are those generated by similarities and inversions in spheres. This is in stark contrast to the wealth of conformal maps in the plane. The principal aim of...https://books.google.com/books/about/Inversion_Theory_and_Conformal_Mapping.html?id=sxHKpaAuclgC&utm_source=gb-gplus-shareInversion Theory and Conformal Mapping